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7.4 Command Reference
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Syntax
∗OPC?
Function
The same as the ∗OPC command, except in that, at the instant that the previous commands have
been completed, instead of bit 0 (the OPC bit) of the standard event status register (SESR) being
set to 1, the response message "1" is returned.
Response
syntax
Headers: ON ∗OPC 1
Headers: OFF 1
Example
Transmission ∗RST;:MEAS:RES?;∗OPC?
Returns a "1" when all ∗RST and MEAS actions are complete.
Syntax
∗RST
Function
Resets and initializes the main unit.
For initialized data, refer to 5.8 System Reset.
Note
If any data follows the command, a command error is generated.
Syntax
∗SRE data
data
NR1 numerical data
0 to 255
Function
This command sets the available patterns of the service request enable resister (SRER) to the status
byte register (STB).
Note
When 3237/38/39 is turned on or I/F is switched, the data is reset to "0."
Bit 6 is set to 0.
Example
Transmission ∗SRE 32
Explanation of example: the service request enable register ESB is set to
"1."
∗OPC? command
Returns a "1" instead of setting the SESR bit0 (OPC bit) to "1."
∗RST command
Initializes the settings.
∗SRE command
Sets the service request enable register (SRER).
Data not affected by the initialization
Status byte register, Standard event status register, Enable registers, Interface function, GP-
IB address, Output queue, Input buffer, Current pass
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